[1] Heinrich Heine Univ Dusseldorf, Inst Clin Pharm & Pharmacotherapy, D-40225 Dusseldorf, Germany
[2] Goettsegen Gyorgy Hungarian Inst Cardiol HPHC, H-1450 Budapest, Hungary
[3] Univ Belgrade, Sch Med, Univ Children Hosp, Univ Decja Klin UDK, Belgrade 11129, Serbia
[4] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, NL-3584 CX Utrecht, Netherlands
[5] Erasmus MC, Sophia Childrens Hosp, Div Pediat Cardiol, NL-3000 CA Rotterdam, Netherlands
[6] Med Univ Vienna, Dept Paediat & Adolescent Med, A-1090 Vienna, Austria
[7] Erasmus MC, Sophia Childrens Hosp, Intens Care & Dept Pediat Surg, NL-3015 GJ Rotterdam, Netherlands
[8] Radboud Univ Nijmegen, Med Ctr, Radboud Inst Hlth Sci, Dept Pharmacol & Toxicol, NL-6500 HB Nijmegen, Netherlands
[9] Ethicare GmbH, D-45721 Haltern, Germany
[10] Childrens Heart Federat, London EC2A 3NW, England
[11] Pharmaplex Bvba, B-1970 Wezembeek Oppem, Belgium
[12] Paracelsus Medizin Privatuniv, A-5020 Salzburg, Austria